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Finding the Fourth Proportional to 299,580.24, 449,245.62 and 121,966.68

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Solution

The fourth proportional to 299,580.24, 449,245.62 and 121,966.68 is: 182,899.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,580.24 : 449,245.62 = 121,966.68 : x
  2. Step 2: Convert to fraction form
    299,580.24/449,245.62 = 121,966.68/x
  3. Step 3: Cross multiply
    299,580.24x = 449,245.62 × 121,966.68
  4. Step 4: Simplify right side
    299,580.24x = 54,792,996,775.94
  5. Step 5: Solve for x
    x = 54,792,996,775.94/299,580.24
  6. Step 6: Final answer
    x = 182,899.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.